Exposure
- ID
- GRAVI.2023-06-12T02:41:03.807_2
- Header ID
- GRAVI.2023-06-12T02:41:03.807
- Date updated
- 2023-06-12 02:52:16 UTC+0000
- Release date
- 2023-06-12 02:41:03 UTC+0000
- UTC Start
- 2023-06-12 02:41:03.807
- UTC End
- 2023-06-12 02:42:33.807
- MJD Start
- 60107.11184962
- MJD End
- 60107.11289128667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0016445
- Ambient temperature (°C)
- 9.64
- Seeing (arcsec)
- 1.52
Observation
- ID
- 54268
- Category
- calibrator
- Program ID
- 106.217D.005
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 37816
- Name
- WDSJ15479-6527B
- RA
- 236.97172416666663
- DEC
- -65.44269725000001
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 21.0700 | 21.1050 | 129.2000 | 129.5000 |
| A0-D0 | 31.5800 | 31.5640 | 68.8000 | 69.2000 |
| A0-C1 | 21.3070 | 21.3310 | 103.7580 | 104.1530 |
| B2-D0 | 27.9820 | 27.9520 | 27.9000 | 28.2000 |
| B2-C1 | 9.3190 | 9.3090 | 27.8890 | 28.1860 |
| D0-C1 | 18.6630 | 18.6430 | 207.9600 | 208.2570 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60107.11184962 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965655 |
| DEC | -65.44267 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 21.07 |
| HIERARCH ESO ISS PBL12 END | 21.105 |
| HIERARCH ESO ISS PBLA12 START | 129.2 |
| HIERARCH ESO ISS PBLA12 END | 129.5 |
| HIERARCH ESO ISS PBL13 START | 31.58 |
| HIERARCH ESO ISS PBL13 END | 31.564 |
| HIERARCH ESO ISS PBLA13 START | 68.8 |
| HIERARCH ESO ISS PBLA13 END | 69.2 |
| HIERARCH ESO ISS PBL14 START | 21.307 |
| HIERARCH ESO ISS PBL14 END | 21.331 |
| HIERARCH ESO ISS PBLA14 START | 103.758 |
| HIERARCH ESO ISS PBLA14 END | 104.153 |
| HIERARCH ESO ISS PBL23 START | 27.982 |
| HIERARCH ESO ISS PBL23 END | 27.952 |
| HIERARCH ESO ISS PBLA23 START | 27.9 |
| HIERARCH ESO ISS PBLA23 END | 28.2 |
| HIERARCH ESO ISS PBL24 START | 9.319 |
| HIERARCH ESO ISS PBL24 END | 9.309 |
| HIERARCH ESO ISS PBLA24 START | 27.889 |
| HIERARCH ESO ISS PBLA24 END | 28.186 |
| HIERARCH ESO ISS PBL34 START | 18.663 |
| HIERARCH ESO ISS PBL34 END | 18.643 |
| HIERARCH ESO ISS PBLA34 START | 207.96 |
| HIERARCH ESO ISS PBLA34 END | 208.257 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001486 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001803 |
| HIERARCH ESO ISS AMBI TEMP | 9.64 |
| HIERARCH ESO ISS AMBI FWHM START | 1.72 |
| HIERARCH ESO ISS AMBI FWHM END | 1.32 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |